Question: What position did Jean le Rond D'Alembert begin holding in 1772?
Paraphrase: What position did Jean le Rond D'Alembert hold in 1772?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q153232 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1772')) }